Histograms of angles features for the choreography2 dataset

Histograms of angles features for the choreography2 dataset. See github.com/omangin/multimodal/blob/master/features/angle_histograms.py. Mangin, P.Y. Oudeyer, Learning semantic components from sub symbolic multi modal perception to appear in the Joint IEEE International Conference on Development and Learning an on Epigenetic Robotics (ICDL EpiRob) , Osaka (Japan) (2013) (More information, bibtex)